Cytokeratin 19 is a member of type I acidic subfamily of intermediate filaments. It is expressed in various different human tissues except in liver. Keratin 19 is not expressed in hepatocytes, therefore, antibody to keratin 19 is useful in the identification of liver metastasis.

May be stored at 4°C for short-term only. For long-term storage and to avoid repeated freezing and thawing, aliquot and add glycerol (40-50%). Store at -20°C or colder. Aliquots are stable for at least 12 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.

Clone Type

Monoclonal

Isotype

IgG1

Clone No

5G141

Host

Mouse

Source

Human

Concentration

~0.2mg/ml

Form

Supplied as a liquid in 10mM PBS, pH 7.4, 0.2% BSA and 0.09% sodium azide. Also available without BSA and azide at 1mg/ml.

Purity

Purified by Protein G affinity chromatography.

Immunogen

Detergent soluble extract of human mammary epithelium.

Specificity

Recognizes Keratin 19. Species Crossreactivity: Human.

Important Note

This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.